MAX1575ETE+ Maxim Integrated Products, MAX1575ETE+ Datasheet - Page 8

• Manufacturer Part Number: MAX1575ETE+
• Description: IC LED DRVR WHITE BCKLGT 16-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX1575ETE+

• Constant Current: Yes
• Topology: Linear (LDO), Switched Capacitor (Charge Pump)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• Efficiency: 85%
• Number Of Segments: 6
• Low Level Output Current: 30 mA
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 2 mA
• Maximum Power Dissipation: 1349 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

White LED 1x/1.5x Charge Pump
for Main and Sub-Displays
Figure 3. Driving Fewer than Six White LEDs
Table 1. Recommended Components
8
C
DESIGNATION
IN
_______________________________________________________________________________________
, C
2.7V TO 5.5V
AND DIMMING
AND DIMMING
D1–D6
ENABLE MAIN
OUT
R
ENABLE SUB
SET
, C1, C2
1μF
ON/OFF
ON/OFF
R
SET
IN
GND
ENM
ENS
SET
As required
VALUE
C1P
C2P
MAX1575
1µF
—
1μF
1μF
C1N
C2N
LED1
LED2
LED3
LED4
LED5
LED6
OUT
MANUFACTURER
Taiyo Yuden
Panasonic
Kamaya
1μF
Murata
MAIN
Nichia
SUB
TDK
GRM155R60J105K
C1005X5R0J105M
JMK107BJ105KA
NSCW215T
PART
—
1µF ±10%, 6.3V X5R ceramic
capacitors (0402)
1µF ±10%, 6.3V X5R ceramic
capacitors (0603)
1µF ±20%, 6.3V X5R ceramic
capacitors (0402)
White LEDs
1% resistor
DESCRIPTION